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<section xmlns="http://docbook.org/ns/docbook" version="5.0" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="_annotated" xml:lang="en-US">
<title>Data Structures</title>
Here are the data structures with brief descriptions:<link linkend="_struct_box_struct__struct">BoxStruct_struct</link>
<para>Use brief, otherwise the index won&apos;t have a brief explanation </para>
<link linkend="_class_receiver">Receiver</link><link linkend="_class_sender">Sender</link></section>
